#include <Adafruit_NeoPixel.h>

#define PIN 6
#define NUM_LEDS 48

Adafruit_NeoPixel strip = Adafruit_NeoPixel(NUM_LEDS, PIN, NEO_GRB + NEO_KHZ800);

void setup() 
{
  strip.begin();
  strip.show(); // Initialize all pixels to 'off'
}

void loop() 
{
  // Color patterns
  colorWipe(strip.Color(255, 0, 0), 30); // Red
  colorWipe(strip.Color(0, 255, 0), 30); // Green
  colorWipe(strip.Color(0, 0, 255), 30); // Blue
  colorWipe(strip.Color(255, 255, 0), 30); // Yellow
  colorWipe(strip.Color(255, 0, 255), 30); // Magenta
  colorWipe(strip.Color(0, 255, 255), 30); // Cyan
  
  // Diya pattern
  diya(0xFFCC00); // Orange
  
  // Sparkle pattern
  sparkle(0xFFFFFF, 20);
  
  // Rainbow pattern
  rainbowCycle(10);
}

// Fill the dots one after the other with a color
void colorWipe(uint32_t c, uint8_t wait) 
{
  for(uint16_t i=0; i<strip.numPixels(); i++) 
  {
    strip.setPixelColor(i, c);
    strip.show();
    delay(wait);
  }
}

// Diya pattern
void diya(uint32_t c)
{
  for(uint16_t i=0; i<strip.numPixels(); i++)
  {
    if(i%6 == 0 || i%6 == 1 || i%6 == 2)
    {
      strip.setPixelColor(i, c);
    }
    else
    {
      strip.setPixelColor(i, 0);
    }
  }
  strip.show();
}

// Sparkle pattern
void sparkle(uint32_t c, uint8_t wait)
{
  for(uint16_t i=0; i<strip.numPixels(); i++)
  {
    if(random(10) == 0)
    {
      strip.setPixelColor(i, c);
    }
  }
  strip.show();
  delay(wait);
  for(uint16_t i=0; i<strip.numPixels(); i++)
  {
    strip.setPixelColor(i, 0);
  }
  strip.show();
}

// Rainbow cycle
void rainbowCycle(uint8_t wait) 
{
  uint16_t i, j;
 
  for(j=0; j<256*5; j++) // 5 cycles of all colors on wheel
  { 
    for(i=0; i<strip.numPixels(); i++) 
    {
      strip.setPixelColor(i, Wheel(((i*256/strip.numPixels())+j)&255));
    }
    strip.show();
    delay(wait);
  }
}
// Wheel function for rainbow patterns
uint32_t Wheel(byte WheelPos) 
{
  WheelPos = 255 - WheelPos;
  if(WheelPos < 85) 
  {
    return strip.Color(255 - WheelPos * 3, 0, WheelPos * 3);
  }
  if(WheelPos < 170) 
  {
    WheelPos -= 85;
    return strip.Color(0, WheelPos * 3, 255 - WheelPos * 3);
  }
  WheelPos -= 170;
  return strip.Color(WheelPos * 3, 255 - WheelPos * 3, 0);
}